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PDF HFA1120 Data sheet ( Hoja de datos )

Número de pieza HFA1120
Descripción 850MHz Current Feedback Amplifier with Offset Adjust
Fabricantes Intersil Corporation　
Logotipo Intersil Corporation Logotipo



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HFA1120/883
July 1994
850MHz Current Feedback
Amplifier with Offset Adjust
Features
Description
• This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
• Low Distortion (HD3, 30MHz) . . . . . . . . . . -84dBc (Typ)
• Wide -3dB Bandwidth . . . . . . . . . . . . . . . 850MHz (Typ)
• Very High Slew Rate . . . . . . . . . . . . . . . 2300V/µs (Typ)
• Fast Settling (0.1%) . . . . . . . . . . . . . . . . . . . . 11ns (Typ)
• Excellent Gain Flatness (to 50MHz) . . . . . 0.05dB (Typ)
• High Output Current . . . . . . . . . . . . . . . . . . 65mA (Typ)
• Fast Overdrive Recovery. . . . . . . . . . . . . . . <10ns (Typ)
Applications
• Video Switching and Routing
The HFA1120/883 is a high speed, wideband, fast settling
current feedback amplifier. Built with Intersil’ proprietary,
complementary bipolar UHF-1 process, it is the fastest
monolithic amplifier available from any semiconductor man-
ufacturer.
The HFA1120/883’s wide bandwidth, fast settling character-
istic, and low output impedance, make this amplifier ideal for
driving fast A/D converters. Additionally, it offers offset volt-
age nulling capabilities as described in the “Offset Adjust-
ment” section of this datasheet.
Component and composite video systems will also benefit
from this amplifier’s performance, as indicated by the excel-
lent gain flatness, and 0.03%/0.05 Degree Differential Gain/
Phase specifications (RL = 75Ω).
Ordering Information
• Pulse and Video Amplifiers
• Wideband Amplifiers
• RF/IF Signal Processing
PART NUMBER
HFA1120MJ/883
TEMPERATURE
RANGE
-55oC to +125oC
PACKAGE
8 Lead CerDIP
• Flash A/D Driver
• Medical Imaging Systems
Pinout
HFA1120/883
(CERDIP)
TOP VIEW
BAL 1
-IN 2
+IN 3
V- 4
-
+
8 NC
7 V+
6 OUT
5 BAL
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
3-199
Spec Number 511105-883
File Number 3617.1

1 page




HFA1120 pdf
HFA1120/883
Die Characteristics
DIE DIMENSIONS:
63 x 44 x 19 mils ± 1 mils
1600 x 1130 x 483µm ± 25.4µm
METALLIZATION:
Type: Metal 1: AICu(2%)/TiW
Thickness: Metal 1: 8kÅ ± 0.4kÅ
Type: Metal 2: AICu(2%)
Thickness: Metal 2: 16kÅ ± 0.8kÅ
GLASSIVATION:
Type: Nitride
Thickness: 4kÅ ± 0.5kÅ
WORST CASE CURRENT DENSITY:
2.0 x 105 A/cm2 at 47.5mA
TRANSISTOR COUNT: 52
SUBSTRATE POTENTIAL (Powered Up): Floating (Recommend Connection to V-)
Metallization Mask Layout
HFA1120/883
+IN
-IN
V-
VL
BAL
OUT
BAL
VH
V+
3-203
Spec Number 511105-883

5 Page





HFA1120 arduino
HFA1120
DESIGN INFORMATION (Continued)
The information contained in this section has been developed through characterization by Intersil Semiconductor and is for use as
application and design information only. No guarantee is implied.
Typical Performance Curves VSUPPLY = ±5V, RF = 510Ω, RL = 100Ω, TA = +25°C, Unless Otherwise Specified
GAIN FLATNESS (AV = +2)
DEVIATION FROM LINEAR PHASE (AV = +2)
0
-0.05
-0.10
-0.15
-0.20
+2.0
+1.5
+1.0
+0.5
0
-0.5
-1.0
-1.5
-2.0
1 10 100
FREQUENCY (MHz)
0 15 30 45 60 75 90 105 120 135 150
FREQUENCY (MHz)
SETTLING RESPONSE (AV = +2, VOUT = 2V)
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-4 1 6 11 16 21 26 31 36 41 46
TIME (ns)
2nd HARMONIC DISTORTION vs POUT
-30
-35
-40
100MHz
-45
-50 50MHz
-55
-60 30MHz
-65
-70
-5 -3 -1 1 3 5 7 9 11 13 15
OUTPUT POWER (dBm)
3rd ORDER INTERMODULATION INTERCEPT (2-TONE)
40
35
30
25
20
15
10
5
0
0 100 200 300 400
FREQUENCY (MHz)
3rd HARMONIC DISTORTION vs POUT
-30
-40
-50
100MHz
-60
-70 50MHz
-80
-90
-100
30MHz
-110
-5 -3 -1 1 3 5 7 9 11 13 15
OUTPUT POWER (dBm)
3-209
Spec Number 511105-883

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